223689664290 has 64 divisors (see below), whose sum is σ = 539148026880. Its totient is φ = 59396272320.

The previous prime is 223689664267. The next prime is 223689664339. The reversal of 223689664290 is 92466986322.

223689664290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 223689664290.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8198491 + ... + 8225729.

It is an arithmetic number, because the mean of its divisors is an integer number (8424187920).

Almost surely, 2^223689664290 is an apocalyptic number.

223689664290 is an abundant number, since it is smaller than the sum of its proper divisors (315458362590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223689664290 is a wasteful number, since it uses less digits than its factorization.

223689664290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28407.

The product of its (nonzero) digits is 13436928, while the sum is 57.

The spelling of 223689664290 in words is "two hundred twenty-three billion, six hundred eighty-nine million, six hundred sixty-four thousand, two hundred ninety".